In Genshin Impact, you can unlock a few characters completely for free: the Traveler, Amber, Lisa, Kaeya, Xiangling, Collei, and Lynette.
Genshin Impact 4.0 update: Release date, characters, banners
Genshin Impact 4.0 Update at a Glance - KQM
Genshin Impact Patch 4.0 Scheduled to Arrive on August 16, New
Genshin Impact 4.0 event is handing out a free top-tier character
Polygon Archives - Genshin Impact guides - Page 1
List of All 4 Star Characters, honkai star rail tier list 4 star
How to unlock free characters in Genshin Impact (updated for 4.0
All 21 upcoming Fontaine characters in Genshin Impact 4.0+ updates
Most Meta Genshin Impact Characters, hu tao team comps